Home / 16,787.78-25,181.53-6,257.44

Finding the Fourth Proportional to 16,787.78, 25,181.53 and 6,257.44

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Solution

The fourth proportional to 16,787.78, 25,181.53 and 6,257.44 is: 9,386.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,787.78 : 25,181.53 = 6,257.44 : x
  2. Step 2: Convert to fraction form
    16,787.78/25,181.53 = 6,257.44/x
  3. Step 3: Cross multiply
    16,787.78x = 25,181.53 × 6,257.44
  4. Step 4: Simplify right side
    16,787.78x = 157,571,913.08
  5. Step 5: Solve for x
    x = 157,571,913.08/16,787.78
  6. Step 6: Final answer
    x = 9,386.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.